RKI Instruments HS-04 Operator's Manual
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RKI Instruments HS-04 Operator's Manual

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HS-04
Operator's Manual
Part Number: 71-0593
Revision: P1
Released: 5/25/22
RKI Instruments, Inc.
www.rkiinstruments.com

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  • Page 1 HS-04 Operator’s Manual Part Number: 71-0593 Revision: P1 Released: 5/25/22 RKI Instruments, Inc. www.rkiinstruments.com...
  • Page 2 User Mode bump test or does not respond appropriately, as defined by the user, in Measuring Mode. For more information about bump test and calibration requirements, see IEC 60079-29-2. 2 • HS-04 Operator’s Manual...

  • Page 3: Table Of Contents

    Turning On the HS-04........
  • Page 4 Entering Measuring Mode (START) ........69 4 • HS-04 Operator’s Manual...
  • Page 5 Exiting Gas Select Mode (START)......... . 97 HS-04 Operator’s Manual • 5...
  • Page 6 La substitution de composants peut nuire à la sécurité intrinsèque. Pour éviter l'inflammation d'une atmosphère dangereuse, les batteries ne doivent être remplacées ou chargées que dans une zone non dangereuse. Non testé dans des atmosphères enrichies en oxygène (plus de 21%). 6 • HS-04 Operator’s Manual...

  • Page 7: Chapter 1: Introduction

    Chapter 1: Introduction Overview This chapter briefly describes the HS-04 gas monitor. This chapter also describes the HS-04 Operator’s Manual (this document). Table 2 at the end of this chapter lists the specifications for the HS-04. About the HS-04 Using an advanced detection system, the HS-04 personal gas monitor detects the presence of hydrogen sulfide (H S).

  • Page 8: Specifications

    AVERTISSEMENT: Le modèle HS-04 détecte les niveaux élevés de sulfure de hydrogène qui peuvent être dangereux ou mettre la vie en danger. Lorsque vous utilisez le HS-04, vous devez suivre les instructions et les avertissements de ce manuel pour assurer un fonctionnement correct et en toute sécurité de l'appareil et pour réduire les risques de blessures.

  • Page 9: About This Manual

    Weight Approximately 93 g (3.3 oz.) About this Manual The HS-04 Operator’s Manual uses the following conventions for notes, cautions, and warnings. NOTE: Describes additional or critical information. CAUTION: Describes potential damage to equipment. WARNING: Describes potential danger that can result in injury or death.

  • Page 10: Chapter 2: Description

    A digital LCD (liquid crystal display) is visible through a clear plastic window in the top case. The LCD shows the gas reading. The LCD also shows information for each of the HS-04’s operating modes.

  • Page 11: Control Buttons

    Maintenance, or Gas Select Mode. Vibrator A vibrating motor inside the HS-04 case vibrates for gas alarms and unit malfunctions. NOTE: If STEALTH is set to ON, the vibrator only functions when VIB in the STEALTH Gas Select Mode item is set to ON (see page 96).

  • Page 12: Sensor

    Batteries 2 AAA batteries (alkaline or Ni-MH) power the HS-04. At 25°C alkaline batteries will last at least 9,000 hours (375 days) and Ni-MH batteries will last at least 6,000 hours (250 days). The battery icon in the upper right of the LCD shows remaining battery life.

  • Page 13: Standard Accessories

    Alligator Clip An alligator clip installs to 2 spring bars on the rear case. Use the alligator clip to attach the HS-04 to clothing or a belt. Teeth in the alligator clip’s jaws prevent slipping. The alligator clip can be rotated to change the instrument’s orientation.

  • Page 14: Protective Rubber Boot

    Front Figure 3: Rubber Boot Optional Accessories Belt Clip The belt clip installs to 2 spring bars on the rear case and is used to easily clip the HS-04 onto a belt. Belt Clip Figure 4: Belt Clip Wrist Strap The wrist strap connects to a feature on the back case.

  • Page 15: Calibration Cup

    Figure 5: Calibration Cup IrDA/USB Cable Unless your computer has a built-in IrDA port, a IrDA/USB cable is needed to establish communication between the HS-04 and the Datalogging Program or the Setup Program. HS-04 Operator’s Manual Chapter 2: Description • 15...

  • Page 16: Chapter 3: Measuring Mode

    Measuring Mode. Start Up This section explains how to start up the HS-04, get it ready for operation, and turn it off. Turning On the HS-04 To illustrate certain functions, the following description of the HS-04 start up sequence assumes that the following items in User Mode are turned on: LUNCH, CAL.RMDR, BP.RMDR in User...
  • Page 17 Buzzer sounds double pulsing None tone tone Action • Option A, Perform The HS-04 cannot be used • Option A, Perform calibration: Press and until a successful calibration is calibration: If you want to release POWER MODE to performed. Press and release...
  • Page 18 Buzzer sounds double pulsing None tone tone Action • Option A, Perform bump The HS-04 cannot be used • Option A, Perform bump test: Press and release until a successful bump test is test: If you want to enter POWER MODE to enter performed.
  • Page 19 8. If ID DISP is set to ON (factory setting is OFF, see page 88), the User ID Screen appears for a few seconds, followed by the Station ID Screen. USER U_ID_001 S_ID_001 HS-04 Operator’s Manual Chapter 3: Measuring Mode • 19...
  • Page 20 9. If the HS-04 experiences a sensor failure during start up, a screen indicating that the sensor failed appears and the buzzer sounds a double pulsing tone once per second. FAIL SENSOR You cannot acknowledge the failure and continue to Measuring Mode. Replace the failed sensor as soon as possible.

  • Page 21: Performing A Demand Zero

    KEY.TONE is set to ON in User Mode). 4. Continue to hold AIR until the LCD prompts you to release it. The HS-04 sets the fresh air reading. Start up is complete and the unit is now ready for monitoring.

  • Page 22: Measuring Mode Operation

    OFF, the HS-04 gives periodic indicators to confirm that it’s operating or to indicate a non- compliance (see page 63). Monitoring an Area 1. Start up the HS-04 as described above in “Start Up” on page 16. It is now in Measuring Mode. 2. The instrument displays the H S reading.

  • Page 23: Alarms

    Alarm Indicators The HS-04 buzzer sounds an alarm, the LED flashes, and the vibrator pulses when any sort of alarm condition or failure occurs. If the HS-04 is operating in Stealth Mode, the buzzer does not sound and the vibrator’s operation depends on the VIB setting in Gas Select Mode’s STEALTH item.
  • Page 24 • Alarm LED flashes once per second Clock Failure • FAIL 050 CLOCK appears on the Double pulsing tone sounds once per second • Alarm LED flashes once per second 24 • Chapter 3: Measuring Mode HS-04 Operator’s Manual...

  • Page 25: Responding To Alarms

    AVERTISSEMENT: Un dépassement de la plage peut indiquer une concentration extrême en sulfure de hydrogène ou une concentration en explosif. Confirmez la concentration de gaz avec un HS-04 différent ou avec un autre dispositif de détection de gaz. 1. Follow your established procedure for an extreme gas condition.
  • Page 26 “Replacing the Batteries (Alkaline or Ni-MH)” on page 71. The HS-04 is fully functional during a low battery warning. However, only a couple of days of operating time remain. The amount of time depends on LCD backlight use and alarm frequency.
  • Page 27 FLASH memory failure Temperature sensor failure 3. If the error code is anything but 031, the instrument cannot be used. Contact RKI Instruments, Inc. as soon as possible. If the error code is 031, press and release POWER MODE to continue into Measuring Mode if the instrument must be used temporarily.

  • Page 28: Data Logging

    The data logging capacity depends on how often the HS-04 stores data and how often the HS-04 is turned on and off. The table below illustrates how much data logging time is available for the various interval times.

  • Page 29: Chapter 4: Display Mode

    • To change a flashing parameter, press and release AIR. To reverse the movement in a list (ie. from down to up or vice versa): a. Press and hold AIR. b. Immediately press POWER MODE and then release both buttons. HS-04 Operator’s Manual Chapter 4: Display Mode • 29...

  • Page 30: Peak Screen (Peak)

    HS-04 is turned off. The lunch break feature enables the HS-04 to save the peak reading when it is turned off so it can continue with the same peak when it is turned on again (see page 16).

  • Page 31: Twa Screen (Twa)

    Maintenance Mode is set to ON (factory setting is OFF). Use this screen to select a user ID from the 128 user IDs that are stored in the HS-04’s memory. Before a user ID is selected on a brand new instrument, the user ID is “----------”. The factory- installed user IDs have a “U_ID_XXX”...

  • Page 32: Station Id Screen (Stn Id)

    Maintenance Mode is set to ON (factory setting is OFF). Use this screen to select a station ID from the 128 station IDs that are stored in the HS-04’s memory. Before a station ID is selected on a brand new instrument, the station ID is “----------”.

  • Page 33: Last Successful Calibration Date (Cal.data)

    DISP DISP DISP BP .DATA YES / AIR NO /MODE 2. Press AIR to enter the BP.DATA screen. The date of the last successful bump test displays. 2019 10.24 BP .DATA HS-04 Operator’s Manual Chapter 4: Display Mode • 33...

  • Page 34: Date/Time Screen (Date)

    1. After entering Display Mode, press and release POWER MODE until the ALARM--P screen sequence appears. DISP DISP DISP ALARM-P YES / AIR NO /MODE 2. Press and release AIR. The Full Scale Setting screen appears. 34 • Chapter 4: Display Mode HS-04 Operator’s Manual...

  • Page 35: Adjusting The Buzzer Volume (Buzz.vol)

    2. Press and release AIR. The current setting flashes. 3. Use AIR to display the desired setting. 4. Press and release POWER MODE to save the setting and return to the BUZZ.VOL item in Display Mode. HS-04 Operator’s Manual Chapter 4: Display Mode • 35...

  • Page 36: Chapter 5: User Mode And Calibration

    Chapter 5: User Mode and Calibration Overview This section describes the HS-04 in User Mode. See Table 8 below for a list of the items found in User Mode, the page that the item’s instructions can be found on, and a short description of the item.
  • Page 37 BP.DATA screen does not appear in Display Mode. BP.INT How often the instrument needs to be bump tested. (page 59) Options: 0 - 30 days (factory setting is 30 days) HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 37...
  • Page 38 Options: 0 - 255 seconds or OFF. The factory setting is 30 seconds. KEY.TONE (page 65) ON (factory setting): Buzzer sounds when button is pressed. OFF: Buzzer does not sound when button is pressed. 38 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...

  • Page 39: Entering User Mode

    WARNING: The HS-04 is not in operation as a gas detector while in User Mode. 1. Take the HS-04 to a non-hazardous location and turn it off if it is on. 2. Press and hold AIR, then press and hold POWER MODE. When you hear a beep, release the buttons.

  • Page 40: Tips For Using User Mode

    To bump test the HS-04, you need: • Calibration gas cylinder (RKI Instruments recommends using 25 ppm H S, but any value between 1.0 ppm and 200.0 ppm can be used) •...
  • Page 41 2. Confirm that the regulator knob is turned all the way clockwise. Screw the 0.25 LPM fixed flow regulator onto the calibration cylinder. 3. Install the calibration cup onto the HS-04. Be sure the calibration cup is installed in the correct direction and that it is pushed on all the way.
  • Page 42 10. At the end of the countdown, the instrument analyzes the results. Follow the flow chart to determine the bump test outcome. Bump test passed? A-CAL On? (default is on) Calibration passed? Figure 6: Bump Test Flow Chart 42 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...

  • Page 43: Performing A Calibration (Gas Cal)

    6. Use AIR to scroll to START and press and release POWER MODE press and release POWER MODE to enter Measuring Mode. to enter Measuring Mode. 7. Calibrate the HS-04 as soon as possible. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 43...
  • Page 44 8. Use AIR to scroll to START and press 8. Use AIR to scroll to START and press and release POWER MODE to enter and release POWER MODE to enter Measuring Mode. Measuring Mode. 44 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...
  • Page 45 • To fully calibrate the sensors, you must do a fresh air adjustment (AIR CAL) and a span adjustment (A-CAL or E-CAL). • The HS-04 can be calibrated using either A-CAL or E-CAL depending on the setting of the E- CAL User Mode item.
  • Page 46 • 0.25 LPM fixed flow regulator • Non-absorbent tubing • Calibration cup 1. Confirm that the HS-04’s calibration gas value matches the concentration listed on the calibration gas cylinder as described on page 53. 46 • Chapter 5: User Mode and Calibration...
  • Page 47 2. Confirm that the regulator knob is turned all the way clockwise. Screw the 0.25 LPM fixed flow regulator onto the calibration cylinder. 3. Install the calibration cup onto the HS-04. Be sure the calibration cup is installed in the correct direction and that it is pushed on all the way.
  • Page 48 AIR and POWER MODE together. 7. Turn the regulator knob counterclockwise to open the regulator. 8. Allow the gas to flow for 1 minute. 9. Press and release POWER MODE. 48 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...
  • Page 49 91.0 MAX .SPAN 4. Close the regulator. 5. Remove the calibration cup. 6. Press and release POWER MODE to enter Measuring Mode. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 49...
  • Page 50 2. Confirm that the regulator knob is turned all the way clockwise. Screw the 0.25 LPM fixed flow regulator onto the calibration cylinder. 3. Install the calibration cup onto the HS-04. Be sure the calibration cup is installed in the correct direction and that it is pushed on all the way.
  • Page 51 If the reading never reaches 10% of the auto calibration value, press and release POWER MODE to fail the calibration. 12.0 12.0 APLY 9. At the end of the countdown, the instrument makes the span adjustment. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 51...
  • Page 52 91.0 MAX .SPAN 4. Close the regulator. 5. Remove the calibration cup. 6. Press and release POWER MODE to enter Measuring Mode. 52 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...
  • Page 53 9. Press and release POWER MODE to save the change. The calibration gas value stops flashing and the unit returns to the gas name screen. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 53...

  • Page 54: Setting Calibration Parameters (Cal Set)

    CAL .RMDR CAL.RMDR ON (factory setting): The HS-04 gives an indicator at start up if it is due for calibration. The type of indicator depends on the CAL.EXPD setting (see page 55). OFF: The HS-04 does not give an indicator at start up if it is due for calibration.
  • Page 55 A successful calibration must be performed in order to use the instrument. NONE: The HS-04 gives an indicator at startup that calibration is past due. It is not necessary to acknowledge the indicator. If desired, press POWER MODE to enter User Mode and perform a calibration.

  • Page 56: Setting Bump Test Parameters (Bump.set)

    The SETTING menu has 5 items: GAS.TIME, CHECK, CAL.TIME, A-CAL, and ESCAPE. 1. After entering the BUMP.SET menu, press AIR to scroll to SETTING. SETTING 2. Press and release POWER MODE. The GAS.TIME item appears. 56 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...
  • Page 57 4. Press and release POWER MODE to save the setting and return to the CHECK item in the SETTING menu. 5. See “Exiting the SETTING Menu” on page 58 to return to BUMP.SET menu. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 57...
  • Page 58 CAL.TIME is set to 90 seconds and the GAS.TIME is set to 30 seconds, if the bump test fails, the HS-04 is only exposed to gas for an additional 60 seconds. The available values are 90 seconds (factory setting), and 120 seconds.
  • Page 59 BP.RMDR ON: The HS-04 gives an indicator at start up if it is due for bump testing. The type of indicator depends on the BP.EXPD setting (see page 60). If the instrument is not due for bump testing, a check mark appears in the lower left corner of the LCD.
  • Page 60 A successful bump test must be performed in order to use the instrument. NONE: The HS-04 gives an indicator at startup that a bump test is past due. It is not necessary to acknowledge the indicator. If desired, press POWER MODE to enter User Mode and perform a bump test.

  • Page 61: Alarm Settings (Alarm--P)

    2. Press and release POWER MODE. 3. The Warning setpoint flashes. 30.0 100.0 For all settings: WARNING ALARM ALARM H 1) AIR to adjust 2) POWER MODE to save and continue STEL STEL ALARM-P HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 61...
  • Page 62 1. While in the ALARM-P menu, press AIR to scroll to ESCAPE. 2. Press and release POWER MODE to return to the ALARM--P item in User Mode. 3. See “Entering Measuring Mode (START)” on page 69 to enter Measuring Mode. 62 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...

  • Page 63: Updating The Lunch Break Setting (Lunch)

    TWA and PEAK readings and the time in operation from the last time the HS-04 was used or start collecting new readings and reset the time in operation. 1. While in User Mode, press AIR to scroll to LUNCH.
  • Page 64 OFF (factory setting): The HS-04 does not provide a confirmation alert or non-compliance indicator. LED: The HS-04’s LED double flashes as often as defined by the BEEP.INT parameter to verify that the instrument is operating. BUZZER: The HS-04’s buzzer double beeps as often as defined by the BEEP.INT parameter to verify that the instrument is operating.

  • Page 65: Updating The Backlight Time (Bl Time)

    OFF: The instrument does not beep when a button is pressed. 1. While in User Mode, press AIR to scroll to KEY.TONE. KEY .TONE 2. Press and release POWER MODE. The current setting flashes. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 65...

  • Page 66: Display Mode Items (Disp.set)

    This item only appears if ZFLW.DSP is set to ON in Maintenance Mode (factory setting is OFF). The ZERO.FLW setting is not intended for field adjustment. The default setting is ON. 66 • Chapter 5: User Mode and Calibration HS-04 Operator’s Manual...

  • Page 67: Turning Easy Calibration On/Off (E-Cal)

    5. Repeat Step 3 and Step 4 to enter the month, day, hours, and minutes settings. The date and time are saved and the instrument returns to the DATE item in User Mode. 6. See “Entering Measuring Mode (START)” on page 69 to enter Measuring Mode. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 67...

  • Page 68: Turning The Password On/Off (Pass-W)

    Turning the Password On/Off (PASS-W) ON: The HS-04 prompts you for a password when you enter User Mode. The factory-set password is 0405 but it can be changed. OFF (factory setting): No password is required to enter User Mode. 1. While in User Mode, press AIR to scroll to PASS-W.

  • Page 69: Viewing The Rom/Sum (Rom/Sum)

    4. See “Entering Measuring Mode (START)” on page 69 to enter Measuring Mode. Entering Measuring Mode (START) 1. While in User Mode, press AIR to scroll to START. START 2. Press and release POWER MODE. The instrument begins its warmup sequence. HS-04 Operator’s Manual Chapter 5: User Mode and Calibration • 69...

  • Page 70: Chapter 6: Maintenance

    Chapter 6: Maintenance Overview This chapter describes troubleshooting procedures for the HS-04. It also includes procedures for replacing the batteries and replacing various consumable parts. WARNING: RKI Instruments recommends that service, calibration, and repair of RKI gas detectors be performed by personnel properly trained for this work. Replacing the sensor and other parts with original equipment does not affect the intrinsic safety of the instrument.

  • Page 71: Replacing The Batteries

    être remplacée que dans une zone non dangereuse. WARNING: Use only Duracell MN2400 or PC2400 or Eneloop BK-4MCC batteries to maintain the QPS classification of the HS-04. Use of other batteries will void the QPS classification and may void the warranty. Do not mix old/new or different types of batteries.
  • Page 72 4. Remove the battery cover. 5. Remove the old batteries. NOTE: New batteries must be installed within 5 minutes to avoid having to reset the date/time. Battery Cover Figure 9: Battery Cover Removal 72 • Chapter 6: Maintenance HS-04 Operator’s Manual...
  • Page 73 WARNING: To prevent ignition of a hazardous atmosphere, batteries must only be charged in an area known to be nonhazardous. 1. Remove the batteries from the HS-04 as described in Step 1 - Step 5 on page 71. 2. Install the Ni-MH batteries in the charger. See the battery charger’s manual for charging instructions.

  • Page 74: Replacing The Humidity Filter

    Replacing the Humidity Filter 1. Verify that the HS-04 is off. 2. Remove the rubber boot, if installed. 3. Use a small Phillips screwdriver to unscrew the 4 screws that attached the front case to the rear case. Screw, 4x Figure 11: Unscrewing Case Screws 4.
  • Page 75 11. Reinstall the front case to the rear case. 12. Reinstall the 4 screws that were removed in Step 3. 13. Reinstall the rubber boot, if being used. HS-04 Operator’s Manual Chapter 6: Maintenance • 75...

  • Page 76: Replacing The Hydrophobic Filter

    Replacing the Hydrophobic Filter 1. Verify that the HS-04 is off. 2. Remove the rubber boot, if installed. 3. Use a small Phillips screwdriver to unscrew the 4 screws that attached the front case to the rear case. Screw, 4x Figure 14: Unscrewing Case Screws 4.
  • Page 77 14. Reinstall the front case to the rear case. 15. Reinstall the 4 screws that were removed in Step 3. 16. Reinstall the rubber boot, if being used. HS-04 Operator’s Manual Chapter 6: Maintenance • 77...

  • Page 78: Replacing The Sensor

    Replacing the Sensor 1. Verify that the HS-04 is off. 2. Remove the rubber boot, if installed. 3. Use a small Phillips screwdriver to unscrew the 4 screws that attached the front case to the rear case. Screw, 4x Figure 17: Unscrewing Case Screws 4.
  • Page 79 9. Reinstall the front case to the rear case. 10. Reinstall the 4 screws that were removed in Step 3. 11. Reinstall the rubber boot, if being used. 12. Calibrate the H S response as described on page 43. HS-04 Operator’s Manual Chapter 6: Maintenance • 79...

  • Page 80: Chapter 7: General Parts List

    AAA size Ni-MH battery 49-3105RK 4-battery AA/AAA charger with AC adapter and DC vehicle adapter 49-3106RK 12-battery AA/AAA charger with AC adapter 71-0593 Operator’s Manual, HS-04 (this document) 71-0525 Operator’s Manual, 04 Series Datalogging Program 71-0526 Operator’s Manual, 04 Series Setup Program 81-0151RK-02...

  • Page 81: Appendix A: Maintenance Mode

    AIR. A.ZERO (page 87) ON: The HS-04 asks if you want to perform a fresh air adjustment at the end of the startup sequence. OFF (factory setting): The HS-04 does not ask if you want to perform a fresh air adjustment at the end of the startup sequence.

  • Page 82: Entering Maintenance Mode

    WARNING: The HS-04 is not in operation as a gas detector while in Maintenance Mode. 1. Take the HS-04 to a non-hazardous location and turn it off if it is on. 2. Press and hold AIR, then press and hold POWER MODE. You will hear a beep after one second.

  • Page 83: Tips For Using Maintenance Mode

    • To change a flashing parameter, press and release AIR. To reverse the direction of change (i.e. from increasing to decreasing or vice versa): a. Press and hold AIR. b. Immediately press POWER MODE and then release both buttons. HS-04 Operator’s Manual Appendix A: Maintenance Mode • 83...

  • Page 84: Performing A Calibration (Gas Cal)

    1. Confirm that the regulator knob is turned all the way clockwise. Screw the 0.25 LPM fixed flow regulator onto the calibration cylinder. 2. Install the calibration cup onto the HS-04. Be sure the calibration cup is installed in the correct direction and that it is pushed on all the way.

  • Page 85: Sensor/Battery Replacement Date (Sen.date)

    5. Turn the regulator knob clockwise to close the regulator. 6. Unscrew the regulator from the calibration cylinder. 7. Remove the calibration cup from the HS-04. 8. Store the calibration kit in a safe and convenient place. 9. Press and release POWER MODE to return to the GAS.TEST item in Maintenance Mode.

  • Page 86: Performing A Bump Test (Bump)

    See “Performing a Bump Test (BUMP)” on page 40 for a description of the BUMP item. Setting Alarms to Latching or Self-Resetting (LATCH) ON (factory setting): The HS-04 remains in alarm until the alarm condition passes and POWER MODE is pressed.

  • Page 87: Turning The Demand Zero Function On/Off (D.zero)

    5. See “Entering Measuring Mode (START)” on page 92 to enter Measuring Mode. Turning the Auto Zero Function On/Off (A.ZERO) ON: The HS-04 asks if you want to perform a fresh air adjustment at the end of the startup sequence.

  • Page 88: Turning The Id Display Function On/Off (Id Disp)

    OFF (factory setting): Zero suppression item does not appear in User Mode. The zero suppression item is always available in Maintenance Mode. It is not normally necessary to have the zero suppression item appear in User Mode. Contact RKI Instruments before turning this setting on. 88 • Appendix A: Maintenance Mode HS-04 Operator’s Manual...

  • Page 89: User Mode Zero Follower (Zflw.dsp)

    5. Repeat Step 3 and Step 4 to enter the month, day, hours, and minutes settings. The date and time are saved and the instrument returns to the DATE item in Maintenance Mode. 6. See “Entering Measuring Mode (START)” on page 92 to enter Measuring Mode. HS-04 Operator’s Manual Appendix A: Maintenance Mode • 89...

  • Page 90: Turning The Password On/Off (Pass-W)

    Turning the Password On/Off (PASS-W) ON (factory setting): The HS-04 prompts you for a password when you enter Maintenance Mode. The factory-set password is 0400 but it can be changed. OFF: No password is required to enter Maintenance Mode. 1. While in Maintenance Mode, press AIR to scroll to PASS-W.

  • Page 91: Viewing The Rom/Sum (Rom/Sum)

    Performing a default operation in Maintenance Mode returns all parameters to their RKI factory settings. 1. While in Maintenance Mode, press AIR to scroll to M.DEF. M .DEF 2. Press and release POWER MODE. M .DEF YES .MODE NO .AIR HS-04 Operator’s Manual Appendix A: Maintenance Mode • 91...

  • Page 92: Entering Measuring Mode (Start)

    5. See “Entering Measuring Mode (START)” on page 92 to enter Measuring Mode. Entering Measuring Mode (START) 1. While in Maintenance Mode, press AIR to scroll to START. START 2. Press and release POWER MODE. The instrument begins its warmup sequence. 92 • Appendix A: Maintenance Mode HS-04 Operator’s Manual...

  • Page 93: Appendix B: Gas Select Mode

    Appendix B: Gas Select Mode Overview This appendix describes the HS-04 in Gas Select Mode. The HS-04 is factory-set to suit most applications. Update settings in Gas Select Mode only if required for your specific application. A description of the Gas Select Mode items is shown in Table 14 below.

  • Page 94: Tips For Using Gas Select Mode

    RKI default regardless of if a SAVE-AP operation was performed. 1. While in Gas Select Mode, press AIR to scroll to SAVE-AP. SAVE - AP 94 • Appendix B: Gas Select Mode HS-04 Operator’s Manual...

  • Page 95: Turning The Calibration Max Span On/Off (Max.span)

    5. See “Exiting Gas Select Mode (START)” on page 97 to enter Measuring Mode. Turning Calibration Max Span On/Off (MAX.SPAN) ON: After a passed calibration, the HS-04 displays the response reading’s maximum adjustment. A maximum span of 100 ppm indicates that the reading could have been adjusted up to 100 ppm.

  • Page 96: Stealth And Vibrator Settings (Stealth)

    6. Press and release POWER MODE to save the setting and return to the STEALTH item in Gas Select Mode. 7. See “Exiting Gas Select Mode (START)” on page 97 to enter Measuring Mode. 96 • Appendix B: Gas Select Mode HS-04 Operator’s Manual...

  • Page 97: Exiting Gas Select Mode (Start)

    Exiting Gas Select Mode (START) 1. While in Gas Select Mode, press AIR to scroll to START. START 2. Press and release POWER MODE. The instrument begins its warm-up sequence. HS-04 Operator’s Manual Appendix B: Gas Select Mode • 97...
  • Page 98 0.45 vol% 0.0 ppm Methyl Isobutyl Ketone C6H12O 0.30 vol% 0.0 ppm Methyl Methacrylate C5H8O2 0.43 vol% 0.1 ppm n-Hexane n-C6H14 0.30 vol% 0.0 ppm Nitrogen Dioxide 5.0 ppm -0.4 ppm 98 • Appendix C: Interference Information HS-04 Operator’s Manual...
  • Page 99 25.0 ppm 0.0 ppm Tetrahydrofuran C4H8O 0.50 vol% -0.4 ppm Toluene C7H8 1.0 vol% 0.0 ppm Xylene C8H10 0.25 vol% 0.0 pm The indicated value may fluctuate when exposed to this gas. HS-04 Operator’s Manual Appendix C: Interference Information • 99...
  • Page 100 Warranty RKI Instruments, Inc. warrants the HS-04 sold by us to be free from defects in materials, workmanship, and performance for a period of three years from the date of shipment from RKI Instruments, Inc. This includes the instrument and the original sensor. Replacement parts are warranted for 1 year from the date of their shipment from RKI Instruments, Inc.

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